The 53-year-old Canadian astronaut has been in space for 146 days and returns to Earth Monday. Wrapping up his time at the International Space Station, Chris Hadfield released what's being called the first music video made in space.Here's Hadfield signing his version of David Bowie's song "Space Oddity."Hadfield's video views on YouTube have more than 22 million page views. He also has more than 800,000 Twitter followers.His son Evan serves as his father's unpaid social media manager and told CBC ...